ch.writeInbound(Unpooled.wrappedBuffer(content, headerLength, content.length - headerLength));
HttpResponse res = ch.readInbound();
assertThat(res.protocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.status(), is(HttpResponseStatus.OK));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
HttpHeaders headers = lastContent.trailingHeaders();
assertEquals(1, headers.names().size());
List<CharSequence> values = headers.getAll("Set-Cookie");
assertEquals(2, values.size());